33697 has 4 divisors (see below), whose sum is σ = 34816. Its totient is φ = 32580.

The previous prime is 33679. The next prime is 33703. The reversal of 33697 is 79633.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33697 - 2⁷ = 33569 is a prime.

It is a super-2 number, since 2×33697² = 2270975618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513 + ... + 574.

It is an arithmetic number, because the mean of its divisors is an integer number (8704).

2³³⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

33697 is a deficient number, since it is larger than the sum of its proper divisors (1119).

33697 is a wasteful number, since it uses less digits than its factorization.

33697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118.

The product of its digits is 3402, while the sum is 28.

The square root of 33697 is about 183.5674263043. The cubic root of 33697 is about 32.2995951858.

The spelling of 33697 in words is "thirty-three thousand, six hundred ninety-seven".